The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available.

  - An issue was discovered in the Linux kernel 4.18 through 5.10.16, as used by Xen. The backend allocation     (aka be-alloc) mode of the drm_xen_front drivers was not meant to be a supported configuration, but this     wasn't stated accordingly in its support status entry. (CVE-2021-26934)

Note that Nessus relies on the presence of the package as reported by the vendor.

Detections

Analytics

Linux Distros Unpatched Vulnerability : CVE-2021-26934

high Nessus Plugin ID 223696

Version 1.9

Version 1.8

Version 1.7

Version 1.4

Version 1.1

Version 1.9 Oct 29, 2025, 3:03 AM Detection (updated detection logic) Plugin metadata Plugin Feed: 202510290303
Version 1.8 Oct 28, 2025, 9:02 AM Detection (updated detection logic) Plugin Feed: 202510280902
Version 1.7 Oct 18, 2025, 4:00 AM Detection (updated detection logic) Plugin metadata Plugin Feed: 202510180400
Version 1.4 Sep 5, 2025, 7:39 AM CVSS metrics ("Cvssv4 score" set to 0.0) CVSSv2 severity (based on None, severity decreased from "High" to "Low") Detection (updated detection logic) Plugin metadata Plugin Feed: 202509050739
Version 1.1 Mar 5, 2025, 8:29 AM New Plugin Feed: 202503050829